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- rack of drilling pump 钻井泵机架
- This article proposed one kind of drilling pump that the piston is driven by the ball bearing spiral mechanism. 本文提出的一种钻井泵是由滚珠螺旋机构来驱动活塞进而驱动泥浆的往复泵。
- Piercement of drilling pump cold cyclinder is a serious problem existed in field application.Piercement is caused by cavitation erosion. 钻井泵冷缸刺漏是钻井泵在现场使用中存在的一个较严重的问题。
- In the course of transmission, mud pulse signal mainly disturbed by drilling pump,engine in the bottom hole, air bladder contained in mud and movement of drilling equipment. 泥浆脉冲信号在传输过程中主要受钻探泵、井底动力机、泥浆中的气泡及活动钻具的干扰;
- Many trees were twisted by the rack of the storms. 很多树被风暴摧折。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- After months of drilling, oil was found off the coast. 经数月钻探,在沿海找到了石油。
- Many trees are twisted by the rack of the storm. 很多树被风暴摧折。
- There is, however, a whole rack of self help books. 但是,这里有一整书架关于自我帮助的书籍。
- Piercement and Prevention of drilling pump cold cyclinder 钻井泵冷缸刺漏与预防
- After several months of drilling in the desert, the prospectors struck it rich. 勘探者们在沙漠中花了几个月的时间钻井,终于钻出了石油。
- Determinationof impact force of drill pump valve in closing 钻井泵泵阀关闭时冲击力的测定
- The girl was to all appearances a mere rack of bones. 那女孩看起来简直瘦得皮包骨。
- I looked through a rack of clothes at the back of the shop. 我看遍了放在商店尽里面的一架子衣服。
- Fill tanks with required amount of drilling water. 向泥浆池中加入需要量的钻井水。
- She browsed through the rack of leotards and then pulled one out. 她浏览,通过在机架上的紧身衣,然后扳回一。
- The Application of Wavelet to Fault Diagnosis of Drilling Pump Valve 小波分析在钻井泵阀故障诊断中的应用
- Seal pipe rack of lamp of D, exhaust to decrease 2/3. 封D、排气灯管架减少三分之二。
- He was rudely awakened by the sound of drilling. 他突然被钻孔的声音吵醒。
- Measure rough dimension of drilling hole. 测量打孔珍珠大致尺寸.